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Here's a blast from the past about an aiming system using clock position for aim points on the ball edges. His clock is a bit small so I made a mirror clock to use instead. The advantage is you only need one time for both OB and CB...

Here's a few different ways to use an overlap system. I prefer the pivot to point method but after using the system for a few hours I was able to see the equal areas and use it to check my accuracy. Give them a try and see if one of them clicks for you.

Easy Fractional Aiming system in a nutshell This is a simple way to get fractions of the ball and use them as an aiming system. I'll use a thick cut to the right and a thin cut to the left to show the method. Stand behind the center of both balls. Draw a line from the pocket through the...

If you're having trouble finding the contact points for some types of shots, try one of these methods. Sight down the center CB to center OB ball line. To find the contact point for the CUE BALL : Draw a line from the pocket through center OB. The point where the line crosses the...

EZ Overlaps : Circumference Overlap Style, (COS) This system has been hiding in plain sight as a 'Clock' or 'Wagon Wheel' method. You don't need special balls or do any math to use it. The line through center pocket and center OB has all the info you need. Using that line it's easy to get the...

The following posts will show how comparing the lines of a triangle can give you shot information by using a pivot triangle.

Ran across this site that has Hoppe's book on billiards. When I bought the book back in the '60's it quickly became my 'bible' on the mechanics of the game. Since it's hard to come by I suspect most members haven't had the chance to read it. There's also some interesting stories that Hoppe tells...

When Ronnie gets his .myriad centuries plus one, I hope he writes a book about his experiences playing on the pro snooker tours. Working title: 1001 O'Sullivan Heights.

Close balls, the changing object ball width and the cosecant function If you've read the post about the secant, you may be interested in the part the cosecant plays as the separation between balls changes. The cosecant is the horizontal line segment from the center of the ball out to the...

Close ball separation angles, half distance passing point, and the secant function It's a bit difficult to make shots where the balls are close together and I got curious about the maximum cut angle available. I broke out the graphing stuff and discovered some interesting things about the...

There's a new masse shot invented by a Japanese player, Sosumi Sudo that will almost guarantee you can make the shot when you have a ball frozen to the short rail and the cue ball frozen to it at an angle of 45* or less. The technique involves getting a 75* or more angle with the stick. You get...

Pivoting systems and their relationship to CTE With your help maybe we can discover some solutions and identify the misconceptions about pivoting systems to which CTE belongs. When blanket claims are made that CTE is hocum, it brings into question the validity of the mechanism behind the...

I find it rather difficult to line edge to edge for those razor thin shots with the cue tip pointed toward the air. I've been using a different technique to get them dialed in by using the contact point on the object ball for the target. It's easier for me to aim through CBC at the OB instead of...

The pivot aiming triangle : How to use your pool table as an analog computer to solve shot angles There's an useful triangle hidden on the table and by examining it some interesting and useful things are revealed. I call it the pivot triangle. It can be used to solve the shot and show the...